phase 2 and 3

2026-04-21 08:56:51 -05:00
parent b98837a72c
commit d79aaf6ef8
42 changed files with 4962 additions and 19 deletions
@@ -0,0 +1,87 @@
+import { type NextRequest } from "next/server";
+import { prisma } from "@/lib/prisma";
+import { ok, errorResponse, requireRole, parseJson, ApiError } from "@/lib/api";
+import { ReorderOperationsSchema } from "@/lib/schemas";
+import { audit } from "@/lib/audit";
+import { clientIp } from "@/lib/request";
+
+/**
+ * Resequence the operations on a part. Body: { order: [opId, opId, ...] }
+ * The list must contain every operation currently on the part, in the
+ * desired top-to-bottom order. Uses a two-phase update to stay inside the
+ * (partId, sequence) unique constraint.
+ */
+export async function POST(req: NextRequest, ctx: { params: Promise<{ id: string }> }) {
+  try {
+    const actor = await requireRole("admin");
+    const { id: partId } = await ctx.params;
+    const { order } = await parseJson(req, ReorderOperationsSchema);
+
+    const existing = await prisma.operation.findMany({
+      where: { partId },
+      select: { id: true, sequence: true, status: true },
+      orderBy: { sequence: "asc" },
+    });
+
+    if (existing.length === 0) throw new ApiError(404, "not_found", "No operations on this part");
+    if (order.length !== existing.length) {
+      throw new ApiError(
+        400,
+        "incomplete_order",
+        "Order must list every operation on this part exactly once",
+      );
+    }
+    const ids = new Set(existing.map((o) => o.id));
+    const seen = new Set<string>();
+    for (const id of order) {
+      if (!ids.has(id)) throw new ApiError(400, "unknown_op", `Operation ${id} is not on this part`);
+      if (seen.has(id)) throw new ApiError(400, "duplicate_op", `Operation ${id} listed twice`);
+      seen.add(id);
+    }
+
+    // Refuse if any non-pending op would land at a different sequence number.
+    const byId = new Map(existing.map((o) => [o.id, o]));
+    for (let i = 0; i < order.length; i++) {
+      const target = i + 1;
+      const op = byId.get(order[i])!;
+      if (op.sequence !== target && op.status !== "pending") {
+        throw new ApiError(
+          409,
+          "op_not_pending",
+          `Cannot move operation ${op.id} — it is already ${op.status}`,
+        );
+      }
+    }
+
+    await prisma.$transaction(async (tx) => {
+      // Phase 1: park every row at a negative sequence to clear the unique slot.
+      for (let i = 0; i < order.length; i++) {
+        await tx.operation.update({
+          where: { id: order[i] },
+          data: { sequence: -(i + 1) },
+        });
+      }
+      // Phase 2: write the final sequence values.
+      for (let i = 0; i < order.length; i++) {
+        await tx.operation.update({
+          where: { id: order[i] },
+          data: { sequence: i + 1 },
+        });
+      }
+    });
+
+    await audit({
+      actorId: actor.id,
+      action: "reorder",
+      entity: "Part",
+      entityId: partId,
+      before: existing,
+      after: order.map((id, i) => ({ id, sequence: i + 1 })),
+      ipAddress: clientIp(req),
+    });
+
+    return ok({ ok: true });
+  } catch (err) {
+    return errorResponse(err);
+  }
+}